78996839210

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{99995999}}^1$

素因数の和:99996085

約数の個数: 16

約数和(自身を含む): 143994240000

約数和(自身を除く): 64997400790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 99995999, 199991998, 499979995, 999959990, 7899683921, 15799367842, 39498419605, 78996839210]

約数ペア:

[(1, 78996839210), (2, 39498419605), (5, 15799367842), (10, 7899683921), (79, 999959990), (158, 499979995), (395, 199991998), (790, 99995999)]